Same word as filter:
clarify,clean, distill,drain, dribble,escape,exude, filtrate,leak, metastasize,ooze, osmose,penetrate,percolate,permeate,purify,refine,screen,sieve, sift, soak through,strain,trickle, winnow
clarify,clean, distill,drain, dribble,escape,exude, filtrate,leak, metastasize,ooze, osmose,penetrate,percolate,permeate,purify,refine,screen,sieve, sift, soak through,strain,trickle, winnow